/* Potencias y raíces: estilos específicos */
/* Tabs de modo */
.modo-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.modo-tab {
    flex: 1;
    min-width: 100px;
    padding: 0.6rem 0.6rem;
    border: 2px solid var(--color-border, #e5e7eb);
    border-radius: 10px;
    background: var(--color-surface, #f9fafb);
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--color-text-muted, #6b7280);
    cursor: pointer;
    text-align: center;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.modo-tab:hover {
    border-color: var(--color-primary, #2563eb);
    color: var(--color-primary, #2563eb);
}

.modo-tab.active {
    border-color: var(--color-primary, #2563eb);
    background: var(--color-primary, #2563eb);
    color: #fff;
}

.modo-tab i {
    margin-right: 0.3rem;
}

/* Visualización simbólica de la operación */
.op-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    background: var(--color-surface, #f9fafb);
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    font-family: 'Montserrat', sans-serif;
}

.op-base {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-primary, #2563eb);
}

.op-exp {
    font-size: 1.4rem;
    font-weight: 700;
    color: #10b981;
    align-self: flex-start;
    margin-top: 0.15rem;
}

.op-symbol {
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--color-text-muted, #6b7280);
    margin: 0 0.25rem;
}

.op-result {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-text, #111827);
}

/* Resultado hero */
.pot-result-hero {
    text-align: center;
    margin: 0.5rem 0 1.25rem;
}

.pot-result-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.6rem;
    font-weight: 700;
    color: var(--color-primary, #2563eb);
    line-height: 1;
    word-break: break-all;
}

.pot-result-sub {
    font-size: 0.88rem;
    color: var(--color-text-muted, #6b7280);
    margin-top: 0.4rem;
}

/* Grid de datos extra */
.pot-extra-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-top: 1rem;
}

@media (max-width: 500px) {
    .pot-extra-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pot-result-num {
        font-size: 2.6rem;
    }
}

.pot-extra-card {
    background: var(--color-surface, #f9fafb);
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: 10px;
    padding: 0.85rem 0.5rem;
    text-align: center;
}

.pot-extra-num {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text, #111827);
    word-break: break-all;
}

.pot-extra-lbl {
    display: block;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--color-text-muted, #6b7280);
    margin-top: 0.25rem;
}

/* Paso a paso */
.pasos-wrap {
    margin-top: 1.25rem;
}

.pasos-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text, #111827);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.paso {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.paso-num {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    background: var(--color-primary, #2563eb);
    color: #fff;
    border-radius: 50%;
    font-size: 0.78rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.1rem;
}

.paso-text {
    font-size: 0.9rem;
    color: var(--color-text, #111827);
    line-height: 1.55;
}

.paso-text code {
    background: var(--color-surface, #f9fafb);
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: 5px;
    padding: 0.1rem 0.4rem;
    font-size: 0.88rem;
}

/* Atajos rápidos */
.atajos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

@media (max-width: 480px) {
    .atajos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.atajo-btn {
    padding: 0.55rem 0.4rem;
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: 8px;
    background: var(--color-surface, #f9fafb);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text, #111827);
    cursor: pointer;
    text-align: center;
    transition: border-color 0.15s, background 0.15s;
}

.atajo-btn:hover {
    border-color: var(--color-primary, #2563eb);
    background: #eff6ff;
    color: var(--color-primary, #2563eb);
}

/* Gráfico */
.chart-wrap svg text {
    font-family: 'Montserrat', sans-serif;
}